package net.weitalk.patterns.visitor.stage1;

public class Extractor {
    public void extract2txt(PdfFile file) {
        System.out.println("Extract PDF.");
    }
    
    public void extract2txt(PPTFile file) {
        System.out.println("Extract PPT.");
    }
    
    public void extract2txt(WordFile file) {
        System.out.println("Extract Word.");
    }
}
